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Route Guidance System and Route Guidance Method

  • US 20090319171A1
  • Filed: 11/29/2006
  • Published: 12/24/2009
  • Est. Priority Date: 11/30/2005
  • Status: Active Grant
First Claim
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1. A route guidance system, comprising:

  • a current location detection section that detects a current location of a host vehicle as a host vehicle location;

    route search processing means for searching for a route to a destination, based on the detected host vehicle location and for specifying the route determined by search as a specified route; and

    guidance processing means for setting a route guidance point at a specified location on the specified route in advance of a guidance location for which route guidance is to be provided and that executes route guidance for the guidance location when the vehicle arrives at the route guidance point, whereinthe guidance processing means includes;

    branch number computation means for computing the number of branches in the specified route between the host vehicle and the guidance location;

    point guidance processing means for providing route guidance, based on the computed number of the branches, when the host vehicle comes to the set route guidance point;

    guidance suspension conditions determination processing means for determining whether or not guidance suspension conditions are applicable; and

    guidance suspension processing means for, responsive to a determination that the guidance suspension conditions are applicable, suspending the route guidance which is based on the number of branches.

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